行业组件数据 · 2026

驱动法兰

驱动法兰是钻机凯利杆组件中的关键接口部件,用于将凯利杆体与旋转驱动机构牢固连接。

技术定义与适配语境
典型 驱动法兰 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

驱动法兰是钻机凯利杆组件中的关键接口部件,设计用于将凯利杆体与旋转驱动机构牢固连接。它将驱动系统的旋转扭矩传递给凯利杆,同时在高扭转载荷下保持精确对中和结构完整性。该法兰通常具有带精密加工螺栓孔、键槽或花键的圆形板,以实现正向接合,并可能包括密封表面以防止污染物进入。 驱动法兰通过正向接合实现机械扭矩传递。当安装在旋转驱动机构和凯利杆体之间时,它将驱动系统的旋转力转换为旋转凯利杆的扭矩。法兰的设计确保应力在连接点均匀分布,最小化可能导致疲劳失效的应力集中。配合表面的精密加工确保运行期间的最小间隙和振动。

组件规格

定义
驱动法兰是钻机凯利杆组件中的关键接口部件,设计用于将凯利杆体与旋转驱动机构牢固连接。它将驱动系统的旋转扭矩传递给凯利杆,同时在高扭转载荷下保持精确对中和结构完整性。该法兰通常具有带精密加工螺栓孔、键槽或花键的圆形板,以实现正向接合,并可能包括密封表面以防止污染物进入。

驱动法兰通过正向接合实现机械扭矩传递。当安装在旋转驱动机构和凯利杆体之间时,它将驱动系统的旋转力转换为旋转凯利杆的扭矩。法兰的设计确保应力在连接点均匀分布,最小化可能导致疲劳失效的应力集中。配合表面的精密加工确保运行期间的最小间隙和振动。
工作原理
The drive flange operates on the principle of mechanical torque transmission through positive engagement. When mounted between the rotary drive mechanism and the kelly bar body, it converts rotational force from the drive system into torque that rotates the kelly bar. The flange's design ensures even distribution of stress across the connection points, minimizing stress concentrations that could lead to fatigue failure. Precision machining of mating surfaces ensures minimal backlash and vibration during operation.
材料
通常由高强度合金钢锻造或机加工而成如AISI 4140、4340或类似牌号最小屈服强度为550 MPa。热处理工艺包括淬火和回火以达到28-32 HRC的硬度。对于恶劣环境可应用耐腐蚀涂层或镀层。
Weight
15-120 kg
Diameter
200-500 mm
Bolt Size
M16-M36
Thickness
25-60 mm
Bolt Circle Diameter
180-450 mm
Number of Bolt Holes
6-12
Maximum Torque Capacity
10,000-50,000 Nm
Operating Temperature Range
-20°C to 150°C
标准
ISO 2768DIN 6885API Spec 7-1ISO 286-2

行业分类与别名

驱动法兰 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Improper bolt torque during installation->Bolt loosening leading to uneven load distribution and eventual flange failure->Implement torque verification procedures using calibrated tools and follow manufacturer's torque specifications precisely
Material fatigue from cyclic loading->Crack initiation and propagation leading to catastrophic failure->Regular non-destructive testing (NDT) inspections, proper material selection with adequate fatigue strength, and design optimization to reduce stress concentrations
Misalignment between mating components->Premature wear, vibration, and reduced torque transmission efficiency->Precision machining of mating surfaces, use of alignment tools during installation, and regular alignment checks during maintenance

工业生态与工程逻辑

0
Fatigue cracking under cyclic loading
1
Bolt loosening due to vibration
2
Misalignment causing premature wear
3
Corrosion in harsh environments
4
Over-torque leading to deformation

合规与检测

tolerance
H7/h6 for bore fits, ±0.1 mm for bolt hole positions, flatness within 0.05 mm over entire surface
test method
Ultrasonic testing for internal defects, magnetic particle inspection for surface cracks, dimensional verification using CMM, torque testing to verify bolt preload capacity

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of a drive flange in kelly bar systems?

The drive flange serves as the critical connection point that transmits rotational torque from the drive mechanism to the kelly bar body while maintaining precise alignment and structural integrity under high loads.

How often should drive flanges be inspected in drilling operations?

Drive flanges should be visually inspected daily for cracks or deformation, with detailed dimensional and NDT inspections recommended every 500-1000 operating hours or according to manufacturer specifications.

What are common signs of drive flange wear or failure?

Common indicators include visible cracks, elongation of bolt holes, excessive vibration during operation, abnormal noise from the connection point, and increased backlash in the drive system.

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CNFX Industrial Component Index · 机械和设备制造

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初步技术归类
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